| Place | Post Code |
|---|---|
| Kanathur, Cheyyur | 603305 |
| Kannimangalam, Cheyyur | 603313 |
| Karuppur, Cheyyur | 603312 |
| Kayapakkam, Cheyyur | 603301 |
| Keelmaruvathur, Cheyyur | 603319 |
| Kesavarayanpettai, Cheyyur | 603319 |
| Kilacheri, Cheyyur | 631402 |
| Kilarkollai, Cheyyur | 603305 |
| Kodapattinam, Cheyyur | 603305 |
| Kodur, Cheyyur | 603305 |
| Kokkaranthangal, Cheyyur | 603302 |
| Kottaikadu, Cheyyur | 603304 |
| Kurambarai, Cheyyur | 603309 |
| Kuvathur, Cheyyur | 603305 |
| Lathur, Cheyyur | 603312 |
| Madavilagam, Cheyyur | 603312 |
| Madayambakkam, Cheyyur | 603302 |
| Malrajakuppam, Cheyyur | 603305 |
| Maluvankaranai, Cheyyur | 603309 |
| Manicuppam, Cheyyur | 603312 |
| Maruderi, Cheyyur | 603302, 603312 |
| Melmaruvathur, Cheyyur | 603319 |
| Mugaiyur, Cheyyur | 603305 |
| Mugundagiri, Cheyyur | 603309 |
| Murukkanthangal, Cheyyur | 603305 |
| Nainarkuppam, Cheyyur | 603302 |